2390000

素因数分解:

$2^4\times 5^4\times {\mathrm{239}}^1$

素因数の和:267

約数の個数: 50

約数和(自身を含む): 5810640

約数和(自身を除く): 3420640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 239, 250, 400, 478, 500, 625, 956, 1000, 1195, 1250, 1912, 2000, 2390, 2500, 3824, 4780, 5000, 5975, 9560, 10000, 11950, 19120, 23900, 29875, 47800, 59750, 95600, 119500, 149375, 239000, 298750, 478000, 597500, 1195000, 2390000]

約数ペア:

[(1, 2390000), (2, 1195000), (4, 597500), (5, 478000), (8, 298750), (10, 239000), (16, 149375), (20, 119500), (25, 95600), (40, 59750), (50, 47800), (80, 29875), (100, 23900), (125, 19120), (200, 11950), (239, 10000), (250, 9560), (400, 5975), (478, 5000), (500, 4780), (625, 3824), (956, 2500), (1000, 2390), (1195, 2000), (1250, 1912)]